Overhead Variances Study Appendix 13. Consider the following data for the Rivera Company:Factory OverheadFixed VariableActual incurred $14200 $13300Budget for standard hours allowedfor output achieved 12500 11000Applied 11600 11000Budget for actual hours of input 12500 11400From the above information fill in the blanks below. Be sure to mark your variances F for favorable and U for unfavorablea. Flexible-budget variance ________Fixed______ Variable________b. Production-volume variance ________ Fixed __________ Variable __c. Spending variance ___________ Fixed__________ Variable________d. Efficiency variance _______ Fixed_____ Variable_______